Application of prestressed steel strands in the steel industry. Granular materials can be confined in tight blocks under high pressure. This association is entirely based on molecular attraction, but this force is more suitable for substances that undergo plastic deformation. Since the attractive force of spherical particles can be deformed into two attractive surfaces under pressure, the molecular attraction is greatly increased. Therefore, we need to understand its role in a timely manner so that we can become more familiar with and use it more quickly during operation.

　　Iron ore powder has very little plastic deformation, and it is difficult to produce pellets with a certain strength by high pressure alone. Winniski once obtained the relationship between the density change rate of iron ore powder and pressure based on experimental data. According to calculations, even if the pressure is increased to 100 MPa, the volume shrinkage rate will not exceed 10%, and the improvement of the briquette strength is limited. To this end, several alternative methods for producing coal balls have been used. Prestressed steel strands are mainly used to ensure the structural integrity and high performance of concrete, and tension needs to be preset in the concrete structure to ensure the structural integrity of the concrete. The specific operation is to first pull the braided wire, straighten it, and then pour the concrete.

　　The post-tensioning method of prestressed steel strands mainly involves pouring concrete first and then pulling the steel strands, but the steel strands cannot be pulled after pouring. It should be carried out when the concrete tension reaches about 70%~75%. When pulling the winding wire, you should also hold it correctly, mainly to hold the predetermined load! Prestressed steel strands mainly utilize the prestress of concrete, and their role is to ensure the relative stability of the overall concrete structure and improve the performance of concrete. Of course, we also need to master the power in the specific operation process. Moreover, speaking of the role of prestressed steel strands, it can actually be expressed in very simple language, that is, it replaces traditional steel bars in terms of prestress.

　　The manufacturing process of prestressed steel strands is divided into single-wire manufacturing and strand manufacturing. When manufacturing single wires, (cold) drawing technology is used. Depending on the product, the material can be high-carbon steel wire rod, stainless steel wire rod, or medium and low-carbon steel zinc wire. Hot coating or impregnation is required on the single wire. In the strand manufacturing process, a stranding machine is used to weave multiple steel wires into a product. After the prestressed steel strand is formed, it needs to be continuously stable. Products are usually assembled on reels or rolled without shafts. (No reel) complete.

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